Finding the Fourth Proportional to 174,762.99, 261,580.64 and 90,406.99
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Solution
The fourth proportional to 174,762.99, 261,580.64 and 90,406.99 is: 135,318.80
Step by Step Solution
- Step 1: Write the proportion equation
174,762.99 : 261,580.64 = 90,406.99 : x - Step 2: Convert to fraction form
174,762.99/261,580.64 = 90,406.99/x - Step 3: Cross multiply
174,762.99x = 261,580.64 × 90,406.99 - Step 4: Simplify right side
174,762.99x = 23,648,717,852.64 - Step 5: Solve for x
x = 23,648,717,852.64/174,762.99 - Step 6: Final answer
x = 135,318.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.